Suction device



FIG. 1 is a shaded top plan view of a suction device showing my new design;

FIG. 2 is a shaded bottom plan view thereof;

FIG. 3 is a shaded front elevation view thereof;

FIG. 4 is a shaded rear elevation view thereof;

FIG. 5 is a shaded right elevation view thereof;

FIG. 6 is a shaded left elevation view thereof;

FIG. 7 is a shaded first perspective view thereof; and,

FIG. 8 is a shaded second perspective view thereof.

The dashed lines are included for the purpose of illustrating portions of the suction device that form no part of the claimed design. 

CLAIM The ornamental design for a suction device, as shown and described. 